Twin Studies and Quantitative Genetics in Premature Ejaculation Research
Fig. 10.1 A simplified univariate ACE model. A is the additive genetic component of the trait, and is set at 1.0 for MZ twins, and 0.5 for DZ twins. C is…
Fig. 10.1 A simplified univariate ACE model. A is the additive genetic component of the trait, and is set at 1.0 for MZ twins, and 0.5 for DZ twins. C is…
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Questionnaire structure Definition Acceptability level Principal components factor analysis Principal components factor analysis can be conducted to determine the item-scale structure of a questionnaire All items included in a scale…
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Category Characteristic clinical features Bacteriuria Inflammation I. Acute Bacterial Acute UTI + + II. Chronic Bacterial Recurrent UTI caused by the same organism NR + III. CP/CPPS Primarily pain complains:…
Fig. 12.1 Testosterone (a), TSH (b) and PRL (c) levels as a function of ejaculatory difficulties. In particular, 0 = severe premature ejaculation (PE), 1 = moderate PE, 2 = mild PE, 3 = no ejaculatory difficulties, 4 = mild delayed…
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